Time is almost up on the way we track each second of the day, with optical atomic clocks set to redefine the way the world ...

The new Doomsday Clock time has been set by the Bulletin of the Atomic Scientists. Here’s what it means.

Nuclear weapons, climate change and biological threats are the biggest concerns.

For many years, cesium atomic clocks have been reliably keeping time around the world. But the future belongs to even more accurate clocks: optical atomic clocks. In a few years' time, they could ...

“The Doomsday Clock’s message cannot be clearer,” the Bulletin of the Atomic Scientists CEO Alexandra Bell said in a ...

The most precise clocks ever built are now testing Einstein, hunting dark matter, and reshaping how we define time itself. In ...

An impending apocalypse is coming faster than we thought, after atomic scientists moved the hands of the "Doomsday Clock" ...

The "Doomsday Clock" is a metaphor for how close humanity is to self-annihilation.

For decades, atomic clocks have provided the most stable means of timekeeping. They measure time by oscillating in step with the resonant frequency of atoms, a method so accurate that it serves as the ...

Time will no longer be imposed upon us by a cesium fountain clock at the National Institute of Standards and Technology,” ...

From a design perspective, the Doomsday Clock is remarkably economical. Four dots. Two hands. The universal language of ...

Daniel Holz, Bulletin Science and Security Board Chair"The Doomsday Clock is now at 85 seconds to midnight, the closest it ...